Alkaloids
(alkaloid 的复数) n. 生物碱\\n[化] 生物碱
🗣️ 情景例句
to be with people--people his own age.
和别人交往像他那般年纪的人。
When you're learning to drive, having a good teacher makes all the difference.
初学驾驶有好的教师指导，差别很大。
OK. I'll get the waiter.
好的，我去叫侍应生来。